we have now learned the fbi opened an investigation into his biographer, paula broadwell, for allegedly accessing petraeus' e-mails. all this just a week before the general was set to testify before congress on the benghazi attack. joining me now is greg miller, national security correspondent for "the washington post." greg, what a morning. let's get right to it. i'd like to hear the latest that you've learned. >> well, you know, the big question now is what is the reason for this fbi investigation into this e-mail? and it does look like this is an access to a personal e-mail account. so, this is not a case, as it initially appeared yesterday, of david petraeus coming forward to clear a guilty conscience or something. this is a case where he was flushed out in the open by an fbi investigation that had to do with security. >> okay. now, nbc news has not yet been able to reach paula broadwell for comment, so we haven't confirmed that she is, quote, the woman, but we do know the fbi's investigating her for possibly accessing petraeus' e-mail. what kind of information were she to be able t